<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>视频作为纹理</title>
  <style>
    body {
      margin: 0;
      overflow: hidden;
    }
    video {
      width: 25%;
      position: absolute;
      left: 0;
      top: 0;
    }
  </style>
</head>
<body>
  <script src="./_videoTexture.js" type="module"></script>
</body>
</html>